JP2005349813A - Recording apparatus and its control method - Google Patents

Recording apparatus and its control method Download PDF

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JP2005349813A
JP2005349813A JP2004176209A JP2004176209A JP2005349813A JP 2005349813 A JP2005349813 A JP 2005349813A JP 2004176209 A JP2004176209 A JP 2004176209A JP 2004176209 A JP2004176209 A JP 2004176209A JP 2005349813 A JP2005349813 A JP 2005349813A
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recording
recording medium
print command
paper discharge
sided
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JP2005349813A5 (en
JP4632405B2 (en
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Katsuyuki Yokoi
克幸 横井
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Canon Inc
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Canon Inc
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/60Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing on both faces of the printing material

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  • Dot-Matrix Printers And Others (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Handling Of Cut Paper (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To effectively utilize a double side recording function to appropriately execute double side recording on a recording medium, even in the case that a recording job is received in a plurality of times irregularly. <P>SOLUTION: The recording apparatus comprises a control section 22 for selectively executing a single side recording for recording only on a first side of the first side and the second side of a recording medium, or double side recording for recording on both the first side and the second side. The control section 22 selectively executes a first mode for corresponding to the content of a print command to execute single side recording or double side recording and discharging all the recorded recording medium with a paper discharge means, or a second mode for executing double side recording regardless of the content of the print command to stop discharge operation with the paper discharge means when the recording on the last recording medium is completed on recording on the first side, standing by the input of a next print command. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、記録媒体の片面にのみ記録動作を行う片面記録と、記録媒体の両面に記録を行う両面記録とを選択的に実行可能な記録装置および記録装置の制御方法に関する。   The present invention relates to a recording apparatus and a recording apparatus control method capable of selectively executing single-sided recording that performs a recording operation only on one side of a recording medium and double-sided recording that performs recording on both sides of a recording medium.

従来、記録装置としては、記録媒体の一面に記録を行う片面記録だけでなく、給紙部から給送された記録媒体の表裏両面に連続的に画像を記録する両面記録を可能とするものが知られている。この両面記録が可能な記録装置構成としては、特許文献1、特許文献2および特許文献3に記載されているものがある。   Conventionally, as a recording apparatus, not only single-sided recording for recording on one side of a recording medium but also double-sided recording for continuously recording images on both front and back sides of a recording medium fed from a paper feeding unit is possible. Are known. As a recording apparatus configuration capable of this double-sided recording, there are those described in Patent Document 1, Patent Document 2, and Patent Document 3.

特許文献1にはシリアルプリンタであるインクジェットプリンタにおける、表面印刷終了後の記録媒体の裏面に記録を行うための搬送経路構成と記録データと記録ヘッドとの対応について開示されている(図1、図4参照)。   Japanese Patent Application Laid-Open No. 2004-228561 discloses a correspondence between a conveyance path configuration for performing recording on the back surface of a recording medium after completion of front surface printing, recording data, and a recording head in an inkjet printer that is a serial printer (FIGS. 1 and 2). 4).

また、特許文献2には、給紙用搬送路とループ上の反転用搬送路とを記録ヘッドの手前で合流させ、この合流部に続く共通搬送路の記録ヘッド部分に用紙を正送りで通過させることにより、片面に印刷を行い、その用紙を逆送りさせて反転用搬送路で反転させた後、再度記録ヘッドで裏面に印刷を行うようにしたものが開示されている(図1参照)。   Further, in Patent Document 2, the paper feed conveyance path and the reversal conveyance path on the loop are merged before the recording head, and the paper is forwardly fed to the recording head portion of the common conveyance path following the merge section. By doing so, it is disclosed that printing is performed on one side, the sheet is reversely fed and reversed on the reverse conveyance path, and then printed on the back side again with the recording head (see FIG. 1). .

また、特許文献3には、記録された用紙の片面に記録を行った後、搬送ベルトによって用紙を搬送することにより、用紙の表裏を反転させて記録ヘッドへと送り、ここで裏面に印刷を行うものが開示されている(図1参照)。   Further, in Patent Document 3, after recording on one side of a recorded sheet, the sheet is conveyed by a conveying belt, so that the front and back of the sheet are reversed and sent to the recording head, where printing is performed on the back side. What to do is disclosed (see FIG. 1).

また、特許文献4には、両面記録が可能な記録装置における複数の印刷命令を処理するときの装置制御方法が開示されている(図18参照)。ここで、両面記録が可能な記録装置の一般的な装置制御シーケンスを図6に示す。   Further, Patent Document 4 discloses a device control method for processing a plurality of print commands in a recording device capable of double-sided recording (see FIG. 18). Here, FIG. 6 shows a general apparatus control sequence of a recording apparatus capable of duplex recording.

図6において、まず、印刷ジョブがホストコンピュータ等から指示されると、そのジョブ指示において両面記録が指示されているかどうかを判断する(S601)。   In FIG. 6, first, when a print job is instructed from a host computer or the like, it is determined whether double-side recording is instructed in the job instruction (S601).

両面記録が指示されている場合は、給紙部から記録媒体を給紙し(S602)、給紙された記録媒体の表面に記録を行う(S603)。その後記録された記録媒体を反転搬送路を使用して裏面が記録できるように反転して給紙する(S604)。そして記録するべき印刷データが存在するどうかを見て(S605)、存在する場合は引き続き裏面に記録を実行する(S606)。そして記録が終了した記録媒体は装置外に排紙される(S607)。そして印刷データがまだ存在しているかどうかを判断し(S608)、存在する場合は再び給紙部から給紙し表面から記録を行う(S602〜S607)。   If double-sided recording is instructed, a recording medium is fed from the paper feeding unit (S602), and recording is performed on the surface of the fed recording medium (S603). Thereafter, the recorded recording medium is reversed and fed so that the reverse side can be recorded using the reverse conveyance path (S604). Then, it is checked whether there is print data to be recorded (S605), and if it exists, recording is continuously executed on the back surface (S606). The recording medium for which recording has been completed is discharged out of the apparatus (S607). Then, it is determined whether the print data still exists (S608). If the print data exists, the paper is fed again from the paper feeding unit and recorded from the front surface (S602 to S607).

一方、S605に示す反転給紙後の記録データ有無の判断において、記録データが無いと判断された場合は排紙動作に移行する。表面記録終了後、反転給紙してから記録データの有無の判断を行うのは、表面記録後そのまま排紙したのでは複数枚の記録媒体に連続ページを順次両面記録したとき、頁順が最後の排紙記録媒体で不整合になるため、それを防止するために上記のような制御シーケンスを行う。   On the other hand, if it is determined that there is no recording data in the determination of the presence / absence of recording data after reverse feeding in S605, the process proceeds to a paper discharge operation. After the front side recording is finished, the paper feed is reversed and the presence / absence of the recording data is judged. If the paper is discharged as it is after the front side recording, the page order is the last when the continuous pages are sequentially recorded on a plurality of recording media. Therefore, the control sequence as described above is performed in order to prevent inconsistency.

また、S601で片面記録が指示されている場合は、給紙部からの給紙の実行、記録、排紙の順で記録媒体の片面に記録動作を行う(S610〜S613)。   If single-side recording is instructed in S601, the recording operation is performed on one side of the recording medium in the order of execution of paper feeding from the paper feeding unit, recording, and paper discharge (S610 to S613).

そして、S609では、指示された印刷ジョブが終了すると、その回の印刷ジョブが両面記録であったか、片面記録であったかに関係なく、次の印刷ジョブを受信するまで待機し、印刷ジョブが指示されると、再びその印刷ジョブが両面記録で指示されているかどうかを判断して(S601)、印刷をスタートする。   In step S609, when the instructed print job is completed, the print job is instructed after receiving the next print job regardless of whether the current print job is double-sided recording or single-sided recording. Then, it is determined again whether or not the print job is instructed for double-sided recording (S601), and printing is started.

特開平7−323637号公報(図1、図4)JP-A-7-323637 (FIGS. 1 and 4) 特開平9−327950号公報(図1)JP-A-9-327950 (FIG. 1) 特開2002−59598号公報(図1)JP 2002-59598 A (FIG. 1) 特開2003−308183号公報(図18)Japanese Patent Laying-Open No. 2003-308183 (FIG. 18)

上記各特許文献に記載の両面記録が可能な記録装置においては、いずれも指示される印刷ジョブの印刷仕様に沿って印刷、排紙を完了するようになっているため、両面記録装置の性能が十分に活用されておらず、記録媒体の消費量が増大するという不具合が生じている。   In the recording apparatuses capable of double-sided recording described in each of the above-mentioned patent documents, the printing and discharging are completed in accordance with the print specifications of the instructed print job. There is a problem that the recording medium is not fully utilized and the consumption of the recording medium increases.

すなわち、上記各特許文献に記載の記録装置では、両面記録が設定されている場合に、印刷データが1ページ分しかない印刷ジョブを受信すると、表面に記録を行った後、直ちに排紙が行われるようになっている。このため、1ページ分の印刷ジョブを繰り返し受信した場合には、たとえ両面記録が設定されていたとしても、片面記録された記録媒体がその印刷ジョブの回数分だけ排出されるため、片面記録が設定されている場合と同一枚数の記録媒体が消費されることになる。   That is, in the recording apparatus described in each of the above-mentioned patent documents, when double-sided recording is set, if a print job having only one page of print data is received, the paper is immediately discharged after recording on the front side. It has come to be. For this reason, when a print job for one page is repeatedly received, even if double-sided recording is set, the single-sided recording medium is ejected for the number of times of the print job. The same number of recording media as consumed is consumed.

また、特許文献4には記録装置の記憶手段に複数の印刷ジョブを蓄積することによって、各印刷ジョブの印刷仕様を無視して片面記録/両面記録を実行できる装置が提案されている。しかしながら、この装置の場合には、各印刷ジョブを記憶手段に順次蓄積しておく必要があり、そのため、予め印刷を行うことが決まっている印刷ジョブにしか適用できないという欠点がある。   Patent Document 4 proposes an apparatus that can perform single-sided recording / double-sided recording by ignoring the print specifications of each print job by accumulating a plurality of print jobs in a storage unit of the recording apparatus. However, in the case of this apparatus, it is necessary to sequentially store each print job in the storage means. Therefore, there is a drawback that it can be applied only to a print job for which printing is determined in advance.

例えばインターネットに接続し、各ホームページを閲覧して必要な情報を印刷しながら次のホームページに移動するという行為を繰り返す場合には、不定期に受信される印刷ジョブに応じて逐次印刷が行われるため両面印刷が実行されず、多くの記録媒体が消費されることになり、両面記録装置でありながら有効にその機能を生かすことができない。また、各印刷ジョブを記憶する記憶手段としては、通常、半導体メモリーかハードディスクが使用されるが、これらに多くの印刷ジョブを蓄積できる容量を持たせる場合には、記録装置のコストが大幅に増大するという問題も生じる。   For example, if you repeat the act of connecting to the Internet, browsing each homepage and printing the necessary information and moving to the next homepage, printing is performed sequentially according to print jobs that are received irregularly. Double-sided printing is not executed, and many recording media are consumed, so that the function cannot be utilized effectively even though it is a double-sided recording apparatus. In addition, as a storage means for storing each print job, a semiconductor memory or a hard disk is usually used. However, if a capacity for storing a large number of print jobs is provided in these, the cost of the recording apparatus is greatly increased. Problem arises.

本発明は、上記従来技術の課題に着目してなされたもので、印刷ジョブが不定期に複数受信された場合にも、両面記録機能を有効に活用して記録媒体に対し適宜両面記録を実行させることができる利便性、経済性に優れた記録装置および記録装置の制御方法の提供を目的とする。   The present invention has been made paying attention to the problems of the above prior art, and even when a plurality of print jobs are received irregularly, the double-sided recording function is effectively used to appropriately perform double-sided recording on the recording medium. It is an object of the present invention to provide a recording apparatus and a control method for the recording apparatus that are excellent in convenience and economy.

上記目的を達成するため、本発明は記録媒体を所定の搬送経路に沿って搬送する記録媒体搬送手段と、前記搬送経路中の所定の記録位置で前記記録媒体に対して記録を行う記録手段と、前記記録媒体を前記搬送経路から排出させる排紙手段と、入力される印刷命令に含まれる記録データに基づき前記各手段を制御することにより、前記記録媒体の第1面および第2面のうち第1面にのみ記録動作を行う片面記録と、前記第1面および第2面への記録を行う両面記録とを印字命令により選択的に実行する制御手段を有する記録装置であって、前記制御手段は、前記印刷命令の内容に対応して記録を行うモードであって、片面記録または両面記録を実行し、記録の終了した記録媒体を全て前記排紙手段によって排紙し印字命令の印字行程を完了する第1のモードと、印刷命令の内容に拘わらず記録を行うモードであって、両面記録を実行し、最後の記録媒体への記録が前記第1面への記録で終了したとき前記排紙手段による排紙動作を実行せず、次の印刷命令の入力に備えて前記前記第1面への記録が終了した記録媒体を待機させる第2のモードと、を選択可能に持つことを特徴とする。   To achieve the above object, the present invention provides a recording medium conveying means for conveying a recording medium along a predetermined conveying path, and a recording means for recording on the recording medium at a predetermined recording position in the conveying path. A paper discharge means for discharging the recording medium from the conveyance path; and by controlling each means based on the recording data included in the input print command, of the first surface and the second surface of the recording medium. A recording apparatus having control means for selectively executing, based on a print command, single-sided recording that performs a recording operation only on a first surface and double-sided recording that performs recording on the first and second surfaces, The means is a mode for recording in accordance with the contents of the print command, executes single-sided recording or double-sided recording, and discharges all the recording media for which recording has been completed by the paper discharge means. Complete The first mode and the mode in which recording is performed regardless of the contents of the print command, the double-sided recording is executed, and when the last recording on the recording medium ends with the recording on the first side, the paper discharge means And a second mode in which the recording medium that has finished recording on the first surface is made ready for input of the next print command without performing the paper discharge operation according to the above. .

また、本発明の記録装置は、記録媒体を所定の搬送経路に沿って搬送する記録媒体搬送手段と、前記搬送経路中の所定の記録位置で前記記録媒体に対して記録を行う記録手段と、前記記録媒体を前記搬送経路から排出させる排紙手段と、入力される印刷命令に含まれる記録データに基づき前記各手段を制御することにより、前記第1面および第2面への記録を行う両面記録を実行させる両面記録制御手段とを備え、前記両面記録制御手段は、先の印刷命令に基づく最後の記録媒体への記録が前記第1面への記録で終了したとき、前記排紙手段による排紙動作を実行せず、次の印刷命令の入力に備えて前記前記第1面への記録が終了した記録媒体を待機させ、前記次の印刷命令に基づく記録を前記待機させた記録媒体に対して行うことを特徴とする。   Further, the recording apparatus of the present invention includes a recording medium conveying unit that conveys the recording medium along a predetermined conveying path, a recording unit that records on the recording medium at a predetermined recording position in the conveying path, Paper discharge means for discharging the recording medium from the conveyance path, and both sides for recording on the first surface and the second surface by controlling each means based on recording data included in an input print command. A double-sided recording control unit for executing recording, and the double-sided recording control unit is configured to perform recording by the paper discharge unit when recording on the last recording medium based on the previous print command is completed by recording on the first side. A recording medium that has finished recording on the first surface is put on standby in preparation for the input of the next print command without performing a paper discharge operation, and recording based on the next print command is made to the standby recording medium It is characterized by That.

また、本発明は、記録媒体を所定の搬送経路に沿って搬送する記録媒体搬送手段と、前記搬送経路中の所定の記録位置で前記記録媒体に対して記録を行う記録手段と、前記記録媒体を前記搬送経路から排出させる排紙手段と、を有する記録装置に対し、入力される印刷命令に含まれる記録データに基づき前記各手段を制御することにより、前記記録媒体の第1面および第2面のうち第1面にのみ記録動作を行う片面記録と、前記第1面および第2面への記録を行う両面記録と選択的に実行する制御方法であって、前記印刷命令の内容に対応して記録を行うモードであって、片面記録または両面記録を実行し、当該記録の終了した記録媒体を全て前記排紙手段によって排紙して印字命令の印字行程を完了する第1のモードを実行する工程と、印刷命令の内容に拘わらず記録を行うモードであって、両面記録を実行し、最後の記録媒体への記録が前記第1面への記録で終了したとき前記排紙手段による排紙動作を実行せず、次の印刷命令の入力に備えて第一面への記録が終了した前記前記記録媒体を待機させる第2のモードを実行する工程と、を選択可能に実行することを特徴とする。   In addition, the present invention provides a recording medium conveying unit that conveys a recording medium along a predetermined conveying path, a recording unit that records on the recording medium at a predetermined recording position in the conveying path, and the recording medium A recording apparatus having a discharge unit for discharging the recording medium from the transport path, by controlling each of the units based on the recording data included in the input print command, the first surface and the second surface of the recording medium. A control method that selectively executes one-sided recording that performs a recording operation only on the first side of the surfaces and double-sided recording that performs recording on the first and second surfaces, corresponding to the contents of the print command A first mode in which one-sided recording or double-sided recording is executed, and the recording medium for which the recording has been completed is discharged by the paper discharge means to complete the printing process of the print command. Process to be executed and mark In this mode, recording is performed regardless of the content of the command, double-sided recording is executed, and when the final recording on the recording medium ends with the recording on the first side, the discharge operation by the discharge unit is executed. And a step of executing a second mode of waiting for the recording medium that has been recorded on the first surface in preparation for the input of the next print command.

また、本発明における記録装置の制御方法は、記録媒体を所定の搬送経路に沿って搬送する記録媒体搬送手段と、前記搬送経路中の所定の記録位置で前記記録媒体に対して記録を行う記録手段と、前記記録媒体を前記搬送経路から排出する排紙手段と、入力される印刷命令に含まれる記録データに基づき前記各手段を制御することにより、前記第1面および第2面への記録を行う両面記録を実行する両面記録制御手段とを備える記録装置を制御する方法であって、先の印刷命令に基づく最後の記録媒体への記録が前記第1面への記録で終了したとき、前記排紙手段による排紙動作を実行せず、次の印刷命令の入力に備えて前記前記第1面への記録が終了した記録媒体を待機させ、前記次の印刷命令に基づく記録を前記待機させた記録媒体に対して行うように、前記両面記録制御手段を制御する制御工程を有することを特徴とする。   The recording apparatus control method according to the present invention includes a recording medium conveying unit that conveys a recording medium along a predetermined conveying path, and recording that performs recording on the recording medium at a predetermined recording position in the conveying path. Recording on the first surface and the second surface by controlling each means based on recording data included in the input print command, and a paper discharge means for discharging the recording medium from the conveyance path. And a double-sided recording control means for performing double-sided recording, wherein when recording on the last recording medium based on the previous print command is completed with recording on the first side, The paper discharge operation by the paper discharge means is not executed, and the recording medium that has finished recording on the first surface is put on standby in preparation for the input of the next print command, and the recording based on the next print command is on standby. Against recorded media As it carried out, and having a control step of controlling the double-sided recording control means.

なお、本発明において、第1面とは記録媒体が持つ2つの面のうち、最初に記録される面を意味し、これを以下の説明においては表面とも呼ぶ。また、記録媒体の第2面とは、第1面の記録終了後に記録される面を意味し、これを以下の説明においては裏面とも呼ぶ。   In the present invention, the first surface means a surface to be recorded first out of the two surfaces of the recording medium, and this is also referred to as a surface in the following description. In addition, the second surface of the recording medium means a surface that is recorded after recording of the first surface, and this is also referred to as a back surface in the following description.

本発明によれば、複数の印刷命令が不定期に発生する場合にも、各印刷命令の実行完了毎に記録媒体が排出されることはなくなり、複数の印刷ジョブに対し継続的に両面記録を実行することが可能となる。このため、従来の装置に比べて記録媒体の消費量を大幅に削減することが可能になると共に、従来の装置のように複数の印刷命令を予め格納しておくための大容量の記憶手段を設ける必要がないため安価に構成することが可能になり、装置の利便性および経済性は大幅に向上する。   According to the present invention, even when a plurality of print commands occur irregularly, the recording medium is not discharged every time the execution of each print command is completed, and continuous duplex recording is performed for a plurality of print jobs. It becomes possible to execute. For this reason, it is possible to greatly reduce the consumption of the recording medium as compared with the conventional apparatus, and a large-capacity storage means for storing a plurality of print commands in advance as in the conventional apparatus. Since it is not necessary to provide it, it can be configured at low cost, and the convenience and economy of the apparatus are greatly improved.

しかも、両面記録継続中の状態において、途中で表面印字のみで記録媒体を排紙し、両面印字継続に区切りをつけることをユーザーが選択可能としているので、ユーザーの使い勝手の良い、両面機能を十分に生かした記録装置を提供することが可能である。   In addition, the user can select to discharge the recording medium only by front side printing in the middle of double-sided recording, and to separate the double-sided printing continuation, so the user can use the double-sided function sufficiently. It is possible to provide a recording apparatus that makes full use of the above.

以下、本発明の実施の形態を説明する。   Embodiments of the present invention will be described below.

まず、本発明を適用する両面記録可能な記録装置の構成を説明する。なお、この実施形態における記録装置は、往復走査を行うキャリッジに搭載された記録ヘッドからインクを吐出して記録媒体に画像を記録するいわゆるシリアル方式のインクジェット記録装置となっている。   First, the configuration of a recording apparatus capable of duplex recording to which the present invention is applied will be described. The recording apparatus in this embodiment is a so-called serial type inkjet recording apparatus that records an image on a recording medium by ejecting ink from a recording head mounted on a carriage that performs reciprocal scanning.

図2はこのインクジェット記録装置の内部構造を示す縦断側面図である。   FIG. 2 is a longitudinal side view showing the internal structure of the ink jet recording apparatus.

図2において、1は記録媒体Pに対し記録データに従って記録を行う記録手段としての記録ヘッドである。この実施形態における記録ヘッド1は、インクを吐出して記録媒体に記録を行うインクジェット記録ヘッドとなっている。2は記録ヘッド1を搭載して主走査方向(図の紙面と直交する方向)に沿って往復移動するキャリッジ、3はキャリッジ2に搭載されたインクジェット記録ヘッド1にインクを供給するためのインクタンク、4はキャリッジ2が主走査する際のガイドとなるキャリッジ軸、5はキャリッジ軸4と共にキャリッジ2をガイドするキャリッジガイドである。   In FIG. 2, reference numeral 1 denotes a recording head as recording means for performing recording on the recording medium P in accordance with the recording data. The recording head 1 in this embodiment is an ink jet recording head that performs recording on a recording medium by discharging ink. Reference numeral 2 denotes a carriage on which the recording head 1 is mounted and reciprocates along the main scanning direction (direction orthogonal to the paper surface in the figure). Reference numeral 3 denotes an ink tank for supplying ink to the inkjet recording head 1 mounted on the carriage 2. Reference numeral 4 denotes a carriage shaft that serves as a guide when the carriage 2 performs main scanning, and reference numeral 5 denotes a carriage guide that guides the carriage 2 together with the carriage shaft 4.

また、6はインクジェット記録ヘッド1により記録媒体に記録が行われる領域より記録媒体搬送方向上流に配置された搬送ローラ、7はこの搬送ローラ6と共に記録媒体を挟持しつつ回転する従動ローラである。8はインクジェット記録ヘッド1により記録媒体に記録が行われる領域より記録媒体搬送方向において下流側に配置された第1の排紙ローラ、9はこの第1の排紙ローラ8と共に記録媒体を挟持しつつ回転する第1の排紙従動ローラである。10は第1の排紙ローラ8より記録媒体搬送方向において下流側に配置された第2の排紙ローラ、11はこの第2の排紙ローラ10と共に記録媒体を挟持しつつ回転する第2の排紙従動ローラである。また、13は記録ヘッド1によって記録媒体への記録を行う記録位置に設けられた記録媒体支持部材、20は記録装置の構造体であるシャーシである。   Reference numeral 6 denotes a conveyance roller disposed upstream of the recording medium conveyance direction from a region where recording is performed on the recording medium by the ink jet recording head 1, and 7 is a driven roller that rotates while sandwiching the recording medium together with the conveyance roller 6. Reference numeral 8 denotes a first paper discharge roller disposed on the downstream side in the recording medium conveyance direction from an area where recording is performed on the recording medium by the ink jet recording head 1, and 9 holds the recording medium together with the first paper discharge roller 8. A first paper discharge driven roller that rotates while rotating. Reference numeral 10 denotes a second discharge roller disposed downstream of the first discharge roller 8 in the recording medium conveyance direction. Reference numeral 11 denotes a second discharge roller that rotates with the second discharge roller 10 while sandwiching the recording medium. A discharge driven roller. Reference numeral 13 denotes a recording medium support member provided at a recording position where recording is performed on the recording medium by the recording head 1, and 20 denotes a chassis which is a structure of the recording apparatus.

15は記録媒体Pが積載される給紙スタッカ、14はこの給紙スタッカ15から記録媒体を搬送ローラ6まで給送する給紙ローラである。23はこの給紙ローラ14によって記録媒体Pが給紙される際に給紙スタッカ15に積載された記録媒体Pの束から一枚だけ記録媒体Pを分離させるための分離部材、16は給紙スタッカ15に積載された記録媒体Pを給紙ローラ14に作用させるための圧板、17はこの圧板16に給紙ローラ14に対する圧接力を発生させるための圧板バネ、18は給紙スタッカ15に積載された記録媒体Pの先端を給紙ローラ14および分離部材23へとガイドするための給紙ガイド部材、12は給紙ローラ14で給紙された記録媒体を搬送ローラ6に導くためのガイド部材である。   Reference numeral 15 denotes a paper feed stacker on which the recording medium P is loaded, and reference numeral 14 denotes a paper feed roller that feeds the recording medium from the paper feed stacker 15 to the transport roller 6. Reference numeral 23 denotes a separating member for separating only one recording medium P from a bundle of recording media P stacked on the paper feeding stacker 15 when the recording medium P is fed by the paper feeding roller 14, and 16 denotes paper feeding. A pressure plate for causing the recording medium P loaded on the stacker 15 to act on the paper feed roller 14, 17 is a pressure plate spring for generating a pressure contact force on the pressure plate 16 against the paper feed roller 14, and 18 is loaded on the paper feed stacker 15. A paper feed guide member for guiding the leading end of the recording medium P to the paper feed roller 14 and the separating member 23, and a guide member 12 for guiding the recording medium fed by the paper feed roller 14 to the transport roller 6. It is.

41、43は表面への記録動作の後、記録媒体19の表裏を反転させるためのループ状の反転経路45を構成する反転ガイド部材、42、44は反転経路45において記録媒体を搬送する反転ローラである。   Reference numerals 41 and 43 denote reversing guide members constituting a loop-shaped reversing path 45 for reversing the front and back of the recording medium 19 after the recording operation on the surface, and 42 and 44 are reversing rollers for conveying the recording medium in the reversing path 45. It is.

また、21は搬送ローラ6と給紙ローラ14との間に設けられた紙端センサーであり、記録媒体先端および後端の通過を検知し、所定の信号を出力する。22は装置全体の動作を制御するための制御部であり、その構成については後に図4において説明する。   Reference numeral 21 denotes a paper edge sensor provided between the transport roller 6 and the paper feed roller 14, which detects passage of the front and rear ends of the recording medium and outputs a predetermined signal. Reference numeral 22 denotes a control unit for controlling the operation of the entire apparatus, and its configuration will be described later with reference to FIG.

次に、上記構成を有する記録装置によって行われる両面記録動作時の記録媒体の動きを図3により説明する。   Next, the movement of the recording medium during the double-sided recording operation performed by the recording apparatus having the above configuration will be described with reference to FIG.

まず、記録媒体の表面への記録動作が実行される場合の記録媒体の動きを説明する。   First, the movement of the recording medium when the recording operation on the surface of the recording medium is executed will be described.

表面記録時には、記録媒体Pは、給紙スタッカ15から図3(A)の矢印に示す経路(第1の搬送経路)に沿って搬送され、その間に記録ヘッド1によって記録媒体Pの表面(第1面)に画像が記録される。   At the time of front surface recording, the recording medium P is transported from the paper feed stacker 15 along a path (first transport path) indicated by an arrow in FIG. An image is recorded on the first side).

すなわち、給紙スタッカ15から給紙ローラ14により給紙された記録媒体Pは、ガイド部材12によって導かれ、正方向へと間欠的に回転している搬送ローラ6と従動ローラ7との間に挟持される。この後、両ローラ6,7の回転力によって、記録媒体Pは記録ヘッド1との対向位置に設けられている記録媒体支持部材13上へ送られる。この間に、紙端センサー21が記録媒体Pの先端部を検出し、その出力を制御部22へと送出する。制御部22は、紙端センサー21からの検出信号を受けて記録媒体支持部材13上に送られた記録媒体Pに対し、キャリッジ2と共に記録ヘッド1が主走査を行いつつインクを吐出し、これによって記録媒体Pの表面に順次画像が記録される。   That is, the recording medium P fed from the paper feed stacker 15 by the paper feed roller 14 is guided between the guide roller 12 and the conveyance roller 6 and the driven roller 7 that are intermittently rotating in the forward direction. It is pinched. Thereafter, the recording medium P is fed onto the recording medium support member 13 provided at a position facing the recording head 1 by the rotational force of the rollers 6 and 7. During this time, the paper edge sensor 21 detects the leading edge of the recording medium P and sends the output to the controller 22. The controller 22 receives the detection signal from the paper edge sensor 21 and ejects ink to the recording medium P sent onto the recording medium support member 13 while the recording head 1 performs main scanning together with the carriage 2. As a result, images are sequentially recorded on the surface of the recording medium P.

記録ヘッド1によって画像の記録された記録媒体Pは、記録媒体支持部材13を通過した後、搬送ローラ6に同期して回転する第1の排紙ローラ8と第1の排紙従動ローラ9および第1の排紙ローラ8よりも搬送方向下流に設けられた第2の排紙ローラ10と排紙従動ローラ11とに順次挟持され、それらのローラの正方向への回転によって所定の排紙部に向けて搬送される。なお、記録媒体Pの表面にのみ記録を行う場合には、第2の排紙ローラ10と第2の排紙従動ローラ11の回転力によって図外の排紙部へと排出されるが、両面記録動作時には、上記のようにして記録媒体の表面への記録動作が終了した時点で、記録媒体Pの後端部(表面記録時の搬送方向における後端部)は、各排紙ローラと各排紙従動ローラとによって挟持された状態となっている。   The recording medium P on which an image is recorded by the recording head 1 passes through the recording medium support member 13 and then rotates in synchronization with the transport roller 6, a first discharge roller 8 and a first discharge driven roller 9. The paper is sequentially sandwiched between a second paper discharge roller 10 and a paper discharge driven roller 11 provided downstream of the first paper discharge roller 8 in the conveying direction, and a predetermined paper discharge unit is formed by rotation of these rollers in the forward direction. It is conveyed toward. Note that when recording is performed only on the surface of the recording medium P, the sheet is discharged to a sheet discharge unit (not shown) by the rotational force of the second sheet discharge roller 10 and the second sheet discharge driven roller 11. At the time of the recording operation, when the recording operation on the surface of the recording medium is completed as described above, the rear end portion of the recording medium P (the rear end portion in the transport direction at the time of front surface recording) It is in a state of being pinched by the paper discharge driven roller.

次に、記録媒体の裏面(第2面)への記録が実行される場合の記録媒体の動きを説明する。   Next, the movement of the recording medium when recording on the back surface (second surface) of the recording medium is executed will be described.

裏面記録時には、記録媒体Pは、前述のように各排紙ローラによって挟持された状態から、図3(B)および(C)の矢印a2および矢印a3に示す経路(第2の搬送経路)に沿って搬送され、その間に記録ヘッド1によって記録媒体Pの表面に画像が記録される。   At the time of back side recording, the recording medium P is moved from the state of being sandwiched by the respective discharge rollers as described above to the path (second transport path) indicated by arrows a2 and a3 in FIGS. 3B and 3C. In the meantime, an image is recorded on the surface of the recording medium P by the recording head 1.

すなわち、各排紙ローラと各排紙従動ローラとに挟持されている記録媒体は、各排紙ローラ8,10の逆方向への回転動作によって、記録媒体Pは表面記録時とは逆方向へと搬送され、記録媒体支持部材13上を通過して逆方向に回転している搬送ローラ6と搬送従動ローラ7とに挟持され、これらローラの回転力によってループ状の反転経路45へと送り出される(図3(B)参照)。   That is, the recording medium sandwiched between each paper discharge roller and each paper discharge driven roller is rotated in the reverse direction of each of the paper discharge rollers 8 and 10 so that the recording medium P is in the reverse direction to the front recording. And is sandwiched between a conveyance roller 6 and a conveyance driven roller 7 which are rotated in the opposite directions after passing over the recording medium support member 13, and are sent out to the loop-like reverse path 45 by the rotational force of these rollers. (See FIG. 3B).

この後、反転経路45に送られた記録媒体は、反転経路45中に配置された2個の反転ローラ42,44の回転力によって反転経路45内を移動し、再び搬送ローラ6と搬送従動ローラ7へ向けて搬送される(図3(C)参照)。このとき、記録媒体Pはその表裏および前後が反転した状態となっている。搬送ローラ7と従動ローラ7との間に達した記録媒体Pは、回転方向が正方向へと切換えられた動搬送ローラ7と従動搬送ローラ7に挟持され、両ローラの回転力によって記録媒体支持部材13へと導かれる。記録ヘッド1は、紙端センサー21の検出タイミングに従って記録走査を行い、記録媒体Pの裏面に画像を記録する。画像の記録された記録媒体Pは、第1の排紙ローラ8と第1の排紙従動ローラ9、および第2の排紙ローラ10と第2の排紙従動ローラ11の回転力によって図外の排紙部へと排出される。   Thereafter, the recording medium sent to the reversing path 45 is moved in the reversing path 45 by the rotational force of the two reversing rollers 42 and 44 arranged in the reversing path 45, and again the transport roller 6 and the transport driven roller. 7 (see FIG. 3C). At this time, the recording medium P is in a state where the front and back sides and the front and rear sides are reversed. The recording medium P reaching between the conveying roller 7 and the driven roller 7 is sandwiched between the moving conveying roller 7 and the driven conveying roller 7 whose rotation direction is switched to the positive direction, and the recording medium is supported by the rotational force of both rollers. Guided to member 13. The recording head 1 performs recording scanning according to the detection timing of the paper edge sensor 21 and records an image on the back surface of the recording medium P. The recording medium P on which the image is recorded is not shown in the figure by the rotational force of the first paper discharge roller 8 and the first paper discharge driven roller 9, and the second paper discharge roller 10 and the second paper discharge driven roller 11. The paper is discharged to the paper discharge section.

次に、図4のブロック図と共に、本実施形態における記録装置の制御部(制御手段)22の構成を説明する。   Next, the configuration of the control unit (control unit) 22 of the recording apparatus according to the present embodiment will be described with reference to the block diagram of FIG.

26はマイクロプロセッサ形態からなるCPUであり、このCPU26はインターフェース27を介してホストコンピュータ25に接続されている。CPU26は、ROM形態の読み出し専用メモリーであるプログラムメモリ28に格納された制御プログラム(例えば、図1で示す両面記録を実行するための制御プログラム)や、RAM形態のバッファメモリ29に格納されたホストコンピュータ25からの記録データに基づき記録動作を制御する。すなわち、CPU26はROM26に格納された制御プログラムに基づきモータードライバ34、35を介してCRモータ36、LFモータ37を制御すると共に、ROM26に格納された制御プログラムとRAM29に格納された記録情報に基づきヘッドドライバ33を介して記録ヘッド1を制御する。LFモータ37はパルスモータ、もしくはエンコーダー付きDCモータ等の駆動量のカウントが可能なものを使用する。このLFモータの回転は、不図示の駆動力伝達機構により給紙ローラ14、搬送ローラ6、第1の排紙ローラ8、第2の排紙ローラ10、および反転ローラ42、44が駆動される。   Reference numeral 26 denotes a CPU in the form of a microprocessor, and this CPU 26 is connected to the host computer 25 via an interface 27. The CPU 26 is a control program (for example, a control program for executing double-sided recording shown in FIG. 1) stored in a program memory 28 which is a read-only memory in ROM form, or a host stored in a buffer memory 29 in RAM form. The recording operation is controlled based on the recording data from the computer 25. That is, the CPU 26 controls the CR motor 36 and the LF motor 37 via the motor drivers 34 and 35 based on the control program stored in the ROM 26, and based on the control program stored in the ROM 26 and the recorded information stored in the RAM 29. The recording head 1 is controlled via the head driver 33. As the LF motor 37, a pulse motor, a DC motor with an encoder, or the like that can count the driving amount is used. The rotation of the LF motor is driven by a driving force transmission mechanism (not shown) to drive the paper feed roller 14, the transport roller 6, the first paper discharge roller 8, the second paper discharge roller 10, and the reverse rollers 42 and 44. .

また、30は情報を書き換え可能で電源が切られてもその情報を保持する不揮発性メモリーであるSD−RAM、31はユーザーの各種操作を受け付ける操作パネルである。   Reference numeral 30 denotes an SD-RAM which is a non-volatile memory that can rewrite information and retains the information even when the power is turned off, and 31 is an operation panel that accepts various user operations.

図5に前記操作パネル31の構成を示す。   FIG. 5 shows the configuration of the operation panel 31.

58は記録装置の電源スイッチ、51はこの電源ステッチ58によって記録装置の電源がオン・オフされた状態を表示する電源表示LED、57は記録装置がエラー状態になった時、必要な処置を終了させた後、記録装置の動作を復帰させたり、記録装置の状態をリセットしたりするための復帰/リセットスイッチ、52は復帰操作が必要かどうかを表示する復帰表示LED、56は記録装置の印刷モードを、ホストコンピュータ25から指示される印刷ジョブの内容に関わらず両面記録で行うようにするか否かを選択する設定手段としての両面記録選択スイッチ、53は両面記録が選択されているか否かを表示する両面選択表示LED、54および55は両面記録時の際、記録中のものが表面であるか、裏面であるかを表示する表示手段として表面表示LEDおよび裏面表示LEDである。   58 is a power switch of the recording apparatus, 51 is a power indicator LED for displaying a state in which the power of the recording apparatus is turned on / off by the power stitch 58, and 57 is a necessary operation when the recording apparatus is in an error state. After that, a return / reset switch for returning the operation of the recording apparatus or resetting the state of the recording apparatus, 52 is a return display LED for indicating whether a return operation is necessary, and 56 is printing of the recording apparatus. A double-sided recording selection switch 53 as a setting means for selecting whether or not to perform the double-sided recording regardless of the contents of the print job instructed from the host computer 25, and 53 indicates whether double-sided recording is selected. The double-sided selection display LEDs 54 and 55 for displaying the display means for displaying whether the recording is the front side or the back side during double-sided recording. It is a surface representation LED and the back display LED Te.

次に、この実施形態における記録装置によって実行される記録動作を図1のフローチャートに従って説明する。   Next, the recording operation executed by the recording apparatus in this embodiment will be described with reference to the flowchart of FIG.

記録装置の電源がオンの状態でホストコンピュータ25から印刷ジョブ(印刷命令)が指示されると、その印刷ジョブがホストコンピュータ25に設けられたプリンタドライバ25aを介して送信され、インターフェース27を介して記録装置のRAM29中に設けられた受信バッファに格納される。なお、ホストコンピュータから記録装置へと送信される印刷ジョブには、片面記録を実行するか両面記録を実行するかを指示する命令をはじめとするその他の印刷に係る命令に加え、記録すべき記録データが含まれる。記録データは記録媒体の印字領域に対して1ページ以上になるときもあり、そのデータは順次ホストコンピュータ25からプリンタドライバ25aおよびインターフェース27を介してRAM29の中に設けられた受信バッファに格納される。   When a print job (print command) is instructed from the host computer 25 while the recording apparatus is powered on, the print job is transmitted via the printer driver 25 a provided in the host computer 25 and via the interface 27. The data is stored in a reception buffer provided in the RAM 29 of the recording apparatus. A print job transmitted from the host computer to the recording device includes a record to be recorded in addition to other commands related to printing, such as a command for instructing whether to perform single-sided recording or double-sided recording. Contains data. The recording data may be one page or more with respect to the printing area of the recording medium, and the data is sequentially stored in the reception buffer provided in the RAM 29 from the host computer 25 via the printer driver 25a and the interface 27. .

記録装置の制御部22では、まず両面記録選択スイッチが押されて両面記録モードが選択されているかどうかを判断する(S101)。次いで、両面記録選択スイッチが押されて両面記録が選択されていると判断された場合には、ホストコンピュータ25から指示された印刷ジョブが両面記録仕様であるかどうかを判断し(S102)、両面記録仕様でないと判断された場合には、印刷ジョブを両面記録仕様に変更する(S103)。ここで、両面記録仕様とは、奇数ページはページの先端から記録を開始し、偶数ページは記録データを180°反転してページの後端から記録する印刷仕様である。この仕様では、偶数ページに対する記録データの受信バッファへの格納順序を、奇数ページの記録データの格納順序に対して180度反転させることにより行うか、あるいは奇数ページの記録データと偶数ページの記録データとを受信バッファに対して同一の格納順序で格納し、受信バッファからの読み出し順序を奇数ページと偶数ページとで180度反転させることにより行う。   The control unit 22 of the recording apparatus first determines whether or not the duplex recording mode is selected by pressing the duplex recording selection switch (S101). Next, when it is determined that the duplex recording selection switch is pressed and duplex recording is selected, it is determined whether the print job instructed by the host computer 25 has the duplex recording specification (S102). If it is determined that the recording specification is not satisfied, the print job is changed to the double-sided recording specification (S103). Here, the double-sided recording specification is a printing specification in which recording is started from the leading edge of the page for odd pages, and recording is performed from the trailing edge of the page by reversing the recording data by 180 °. In this specification, the storage order of the recording data for the even pages in the reception buffer is reversed by 180 degrees with respect to the storage order of the recording data for the odd pages, or the recording data for the odd pages and the recording data for the even pages. Are stored in the reception buffer in the same storage order, and the reading order from the reception buffer is reversed 180 degrees between the odd and even pages.

この仕様変更操作は前記のように記録装置側で行うことが可能であるが、両面記録選択スイッチが押されていることをホストコンピュータ25に情報として与え、ホストコンピュータ25側で同様の処理を行うことも可能である。この場合、ホストコンピュータ25側で両面記録が設定されているかを判断し、両面記録が設定されている場合には印刷ジョブに含まれる複数ページの記録データを両面仕様に変更し、その変更した記録データを1ライン毎にホストコンピュータ25から記録装置へ転送する。記録装置側としては、少なくとも1ライン分の記録データを受信可能な容量の受信バッファを設けておき、送信されてくる1ライン分の記録データを受信バッファへ格納する。   Although the specification changing operation can be performed on the recording apparatus side as described above, the fact that the duplex recording selection switch is pressed is given as information to the host computer 25, and the host computer 25 performs the same processing. It is also possible. In this case, it is determined whether double-sided recording is set on the host computer 25 side. If double-sided recording is set, the recording data of a plurality of pages included in the print job is changed to double-sided specification, and the changed recording is performed. Data is transferred from the host computer 25 to the recording device line by line. On the recording apparatus side, a reception buffer having a capacity capable of receiving at least one line of recording data is provided, and the recording data for one line transmitted is stored in the reception buffer.

次に、現在受信されている印刷ジョブの直前に実行された印刷ジョブ(直前の印刷ジョブ)の最終ページが記録媒体の表面に対して実行され、記録媒体の裏面への記録を待機している状態、すなわち表面記録された記録媒体が各排紙ローラ8,9と排紙従動ローラ9,11とによって挟持され、裏面への記録待ちをしている状態にあるか否かを判断する(S104)。そして、直前の印刷ジョブによって表裏両面への記録が完了し排紙部へと排出されて搬送路中に記録待ちの記録媒体が存在しないと判断された場合には、給紙部を構成するオートシートフィーダー(以下、ASFと称す)ユニットの給紙スタッカ15から給紙ローラ14により記録媒体を給送し(S105)、搬送ローラ6と従動ローラ7、第1の排紙ローラ8と第1の排紙従動ローラ9、第2の排紙ローラ10と第2の排紙従動ローラ11の回転力により記録媒体を搬送しながら、記録ヘッド1により今回の印刷ジョブに基づく表面記録を実行する(S106)。   Next, the last page of the print job executed immediately before the currently received print job (immediately before the print job) is executed on the front surface of the recording medium and is waiting for recording on the back surface of the recording medium. It is determined whether the recording medium on the front side, that is, the recording medium on the front side, is sandwiched between the paper discharge rollers 8 and 9 and the paper discharge driven rollers 9 and 11 and is waiting for recording on the back side (S104). ). If it is determined that there is no recording medium waiting for recording in the transport path after recording on both the front and back sides is completed by the previous print job, the paper is ejected to the paper ejection unit. A recording medium is fed by a sheet feeding roller 14 from a sheet feeding stacker 15 of a sheet feeder (hereinafter referred to as ASF) unit (S105), and a conveying roller 6 and a driven roller 7, a first sheet discharging roller 8 and a first sheet discharging roller 8 are fed. The recording head 1 performs surface recording based on the current print job while transporting the recording medium by the rotational force of the paper discharge driven roller 9, the second paper discharge roller 10, and the second paper discharge driven roller 11 (S106). ).

表面記録が終了すると、受信バッファであるRAM29に次のページに記録するデータが存在するか否かの判断、すなわち、印刷ジョブが表面記録で終了したか否かの判断を行う(S107)。   When the front surface recording is completed, it is determined whether or not there is data to be recorded on the next page in the RAM 29 that is the reception buffer, that is, whether or not the print job is ended by the front surface recording (S107).

ここで、印刷ジョブが引き続き存在するときは、図3(B)で示したように、表面記録が終了した記録媒体を、搬送ローラ6と従動ローラ7、第1の排紙ローラ8と第1の排紙従動ローラ9、第2の排紙ローラ10と第2の排紙従動ローラ11の逆方向への回転により記録媒体を逆方向に搬送し、反転経路45に導入した後、記録媒体の裏面の表裏前後を反転させて再び搬送ローラ6に送り込み(S108)、搬送ローラ6と従動ローラ7、第1の排紙ローラ8と第1の排紙従動ローラ9、第2の排紙ローラ10と第2の排紙従動ローラ11により搬送しながら記録を行う(S109)。   Here, when the print job continues, as shown in FIG. 3B, the recording medium on which the front surface recording is completed is transferred to the transport roller 6 and the driven roller 7, the first discharge roller 8 and the first discharge roller. The recording medium is conveyed in the reverse direction by the reverse rotation of the paper discharge driven roller 9, the second paper discharge roller 10, and the second paper discharge driven roller 11, introduced into the reverse path 45, and then the recording medium The front and back sides of the back surface are reversed and fed back to the transport roller 6 (S108), the transport roller 6 and the driven roller 7, the first paper discharge roller 8, the first paper discharge driven roller 9, and the second paper discharge roller 10. Then, recording is performed while being conveyed by the second discharge driven roller 11 (S109).

記録媒体の裏面への記録が終了すると、第1の排紙ローラ8と第1の排紙従動ローラ9、第2の排紙ローラ10と第2の排紙従動ローラ11により記録媒体を記録装置の排紙部に排紙する(S110)。   When the recording on the back surface of the recording medium is completed, the recording medium is recorded by the first paper discharge roller 8 and the first paper discharge driven roller 9, the second paper discharge roller 10 and the second paper discharge driven roller 11. (S110).

この後、排紙が終了すると受信バッファを有するRAM29に次のページに記録するデータが存在するかどうかを見て(S111)、存在するときにはS105からの記録シーケンスを繰り返す。また、S111において受信バッファであるRAM29に次のページに記録するデータが存在しないと判断された場合は、次の印刷ジョブ待ち状態になり(S112)、次の印刷ジョブがホストコンピュータ25から指示されると、S101からのシーケンスを繰り返す。   Thereafter, when the paper discharge is completed, it is checked whether or not there is data to be recorded on the next page in the RAM 29 having the reception buffer (S111), and when it exists, the recording sequence from S105 is repeated. If it is determined in S111 that there is no data to be recorded on the next page in the RAM 29 as the reception buffer, the next print job is waited (S112), and the next print job is instructed from the host computer 25. Then, the sequence from S101 is repeated.

前述のS107において、表面記録後、受信バッファであるRAM29内に次のページに記録するための記録データが存在せず、印刷ジョブが終了したと判断された場合は、記録媒体を排紙しないで次の印刷ジョブを待つ状態になる(S124)。そして、この印刷ジョブ待ちの間は、復帰/リセットスイッチ57が押されたか否かを監視し(S121)、復帰/リセットスイッチ57が押された場合には、記録媒体を排紙する(S122)。そして、復帰/リセットスイッチ57が押されて排紙が行われた後は、次の印刷ジョブを待つ状態になり(S123)、次の印刷ジョブがホストコンピュータ25から指示されるとS101からのシーケンスを再びスタートする。   If it is determined in step S107 that there is no recording data to be recorded on the next page in the RAM 29 as the reception buffer after the front surface recording and it is determined that the print job is completed, the recording medium is not discharged. The system waits for the next print job (S124). While waiting for the print job, it is monitored whether or not the return / reset switch 57 is pressed (S121). If the return / reset switch 57 is pressed, the recording medium is discharged (S122). . After the return / reset switch 57 is pressed and discharged, the next print job is awaited (S123). When the next print job is instructed from the host computer 25, the sequence from S101 is performed. Start again.

ところで、上記のように復帰/リセットスイッチ57が押されると記録媒体が排紙されるシーケンスは、次のような状況を想定したシーケンスとなっている。すなわち、両面スイッチ56をオンして、印刷ジョブの印刷仕様に関係なく記録装置で両面記録を実施するように設定し、複数の印刷ジョブを続けて実行する際に、所定の印刷ジョブの実行が終了した時点で、一旦、全ての印刷物をまとめるために、搬送経路中に待機している表面のみに記録された記録媒体を排出させることを想定したシーケンスとなっている。例えば、ウェブ(WEB)上を検索して必要なホームページの印刷を逐次行い、必要な資料が揃った時点で作業を終了する場合に、関連する資料をひとまとめの印刷物として区切りをつける場合などに上記シーケンスは有効である。   By the way, the sequence in which the recording medium is discharged when the return / reset switch 57 is pressed as described above is a sequence that assumes the following situation. That is, when the duplex switch 56 is turned on and the recording apparatus is set to perform duplex recording regardless of the printing specification of the print job, when a plurality of print jobs are continuously executed, the predetermined print job is executed. At the time of completion, the sequence assumes that the recording medium recorded only on the front surface waiting in the conveyance path is discharged in order to collect all the printed materials. For example, when searching on the web (WEB) and printing the necessary homepages sequentially, and when the work is finished when the necessary materials are ready, the above-mentioned is used when separating related materials as a batch of printed materials. The sequence is valid.

前述のS104において、印刷ジョブがホストコンピュータ25から指示されたときに、搬送経路中で裏面記録を待機している記録媒体が存在した場合には、裏面記録からスタートするために、前述のようにして記録データを180度反転させる(S113)。   In S104 described above, when a print job is instructed from the host computer 25 and there is a recording medium waiting for the backside recording in the transport path, in order to start from the backside recording, as described above. The recorded data is inverted 180 degrees (S113).

この記録データの反転処理は、搬送路中に待機している記録媒体が存在したとき、次の印刷ジョブでは奇数ページが記録媒体の裏面に記録されることになるので、奇数ページをページの後端から記録し、偶数ページをページの先端から記録するように変更するためである。これによって、記録媒体の表裏両面に記録される画像の前後方向の向きを揃えることが可能になる。この変更操作は前述したように、記録装置の両面印字選択スイッチが押されていることをホストコンピュータ25に情報として与え、ホストコンピュータ25で行っても、記録装置の方で行ってもよい。   This recording data reversal process is performed when an odd page is recorded on the back side of the recording medium in the next print job when there is a waiting recording medium in the conveyance path. This is to change the recording so that the even page is recorded from the top of the page. This makes it possible to align the front-rear direction of images recorded on the front and back surfaces of the recording medium. As described above, the change operation may be performed by the host computer 25 or the recording apparatus by giving information to the host computer 25 that the duplex printing selection switch of the recording apparatus has been pressed.

次に、S114では、表面記録が終了して待機状態であった記録媒体を、搬送ローラ6と従動ローラ7、第1の排紙ローラ8と第1の排紙従動ローラ9、第2の排紙ローラ10と第2の排紙従動ローラ11の逆方向への回転により、記録媒体を逆方向へと搬送して反転経路45に導入し、反転経路45で表裏前後を反転させて裏面を上にした記録媒体を再び搬送ローラ6に送り込む(S114)。この後、搬送ローラ6と従動ローラ7、第1の排紙ローラ8と第1の排紙従動ローラ9、第2の排紙ローラ10と第2の排紙従動ローラ11の正方向への回転によって、記録媒体を搬送しながら記録ヘッド1の記録走査を実行し、記録媒体の裏面に画像を記録する(S115)。そして、記録媒体の裏面への記録が終了すると、第1の排紙ローラ8と第1の排紙従動ローラ9、第2の排紙ローラ10と第2の排紙従動ローラ11の正方向への回転により記録媒体を記録装置の排紙部へと排紙する(S116)。   In step S114, the recording medium that has been in the standby state after the front surface recording is finished is transferred to the transport roller 6, the driven roller 7, the first paper discharge roller 8, the first paper discharge driven roller 9, and the second paper discharge. By rotating the paper roller 10 and the second paper discharge driven roller 11 in the reverse direction, the recording medium is conveyed in the reverse direction and introduced into the reversing path 45, and the front and back sides are reversed by the reversing path 45. The recorded recording medium is fed again to the transport roller 6 (S114). Thereafter, the conveyance roller 6 and the driven roller 7, the first paper discharge roller 8 and the first paper discharge driven roller 9, the second paper discharge roller 10 and the second paper discharge driven roller 11 are rotated in the forward direction. Thus, the recording scan of the recording head 1 is executed while conveying the recording medium, and an image is recorded on the back surface of the recording medium (S115). When the recording on the back surface of the recording medium is completed, the first paper discharge roller 8 and the first paper discharge driven roller 9, the second paper discharge roller 10 and the second paper discharge driven roller 11 in the forward direction. , The recording medium is discharged to the paper discharge unit of the recording apparatus (S116).

排紙が終了すると受信バッファとしてのRAM29に次のページに記録するデータが存在するか否かを判断し(S117)、存在するときは、給紙部であるASFに設けられた給紙スタッカ15から給紙ローラ14により記録媒体を給送し(S118)、搬送ローラ6と従動ローラ7、第1の排紙ローラ8と第1の排紙従動ローラ9、第2の排紙ローラ10と第2の排紙従動ローラ11の正方向への回転により記録媒体を搬送しながらインクジェット記録ヘッド1により表面記録を実行する(S119)。   When the paper discharge is completed, it is determined whether or not there is data to be recorded on the next page in the RAM 29 as a reception buffer (S117). If there is, the paper feed stacker 15 provided in the ASF as the paper feed unit is determined. The recording medium is fed from the sheet feeding roller 14 (S118), the conveying roller 6 and the driven roller 7, the first sheet discharging roller 8, the first sheet discharging driven roller 9, the second sheet discharging roller 10 and the first sheet discharging roller 10. Surface recording is performed by the ink jet recording head 1 while conveying the recording medium by the rotation of the paper discharge driven roller 11 in the forward direction (S119).

この後、表面記録が終了すると受信バッファとしてのRAM29に次のページに記録するデータが存在するか否かを判断し、実行中の印刷ジョブがその記録媒体の表面記録で終了するか否かを判断する(S120)。ここで、印刷ジョブが引き続き存在するときは、S114からのシーケンスを繰り返す。また、S120で印刷ジョブが終了したと判断された場合は、記録媒体を排紙せずに次の印刷ジョブを待つ(S124)。そして、次の印刷ジョブが受信されるまでの間に復帰/リセットスイッチ57が押されると、記録媒体を排紙する(S121〜S122)。   Thereafter, when the front surface recording is completed, it is determined whether or not there is data to be recorded on the next page in the RAM 29 as the reception buffer, and whether or not the print job being executed is terminated by the front surface recording of the recording medium. Judgment is made (S120). If the print job continues to exist, the sequence from S114 is repeated. If it is determined in S120 that the print job is completed, the next print job is waited for without discharging the recording medium (S124). When the return / reset switch 57 is pressed before the next print job is received, the recording medium is discharged (S121 to S122).

その後、次の印刷ジョブを待つ状態になり(S123)、次の印刷ジョブがホストコンピュータ25から指示されるとS101からのシーケンスを再びスタートする。   Thereafter, the process waits for the next print job (S123). When the next print job is instructed from the host computer 25, the sequence from S101 is started again.

また、S117で印刷ジョブが終了したと判断された場合には、次の印刷ジョブ待ち状態になり(S112)、次の印刷ジョブがホストコンピュータ25から指示されると、S101からのシーケンスを繰り返す。   If it is determined in S117 that the print job has been completed, the next print job is waited (S112). When the next print job is instructed from the host computer 25, the sequence from S101 is repeated.

S101で記録装置の両面記録選択スイッチが押されておらず両面記録モードが選択されていない場合には、受信される各印刷ジョブの個々の印刷仕様に沿って印刷動作を行う。   If the duplex recording selection switch of the recording apparatus is not pressed in S101 and the duplex recording mode is not selected, a printing operation is performed according to the individual printing specifications of each received print job.

以上説明したように、上記実施形態における記録装置では、印刷ジョブに従って片面記録または両面記録を実行するモード(第1のモード)と、印刷ジョブに拘わりなく両面記録を実行するモード(第2のモード)とを適宜選択的に実行させることができる。   As described above, in the recording apparatus according to the above-described embodiment, the mode for executing single-sided recording or double-sided recording according to the print job (first mode) and the mode for executing double-sided recording regardless of the print job (second mode). ) Can be selectively executed as appropriate.

従って、複数の印刷ジョブが不定期に発生する場合にも、各印刷ジョブの実行完了毎に記録媒体が排出されることはなくなり、複数の印刷ジョブに対し継続的に両面記録を実行することが可能となる。このため、両面記録を設定した際に、1ページ分の印刷ジョブが繰り返し指示される場合にも、従来のように1ページ分の記録が終了する毎に記録媒体が排出されることはなく、各記録媒体の両面には、2回分の印刷ジョブによる記録動作が確実に行われる。このため、記録媒体の消費量は従来に比べ略1/2に削減される。また、従来のように、予め印刷ジョブを記録領域に順次格納しておく必要もない。   Therefore, even when a plurality of print jobs occur irregularly, the recording medium is not discharged every time when the execution of each print job is completed, and double-sided recording can be continuously executed for a plurality of print jobs. It becomes possible. For this reason, when double-sided recording is set, even when a print job for one page is repeatedly instructed, the recording medium is not ejected each time recording for one page is completed, as in the prior art. The recording operation by two print jobs is surely performed on both surfaces of each recording medium. For this reason, the consumption amount of the recording medium is reduced to about ½ compared with the conventional case. Further, unlike the prior art, it is not necessary to sequentially store print jobs in the recording area in advance.

さらに、両面記録を設定した場合にも、復帰/リセットスイッチ57を押すことによって、両面記録の継続に区切りをつけることが可能となり、ユーザーの使い勝手は大幅に向上し、記録装置に設けられた両面記録機能を十分に生かした記録動作が可能になる。   Furthermore, even when double-sided recording is set, it is possible to delimit the continuation of double-sided recording by pressing the return / reset switch 57, which greatly improves the user-friendliness and provides both-side recording provided in the recording apparatus. Recording operation that makes full use of the recording function becomes possible.

なお、上記実施形態では、両面記録選択スイッチ56を記録装置の操作パネル上に設けた場合を例に採り説明したが、記録装置への印刷命令を受け付けるホストコンピュータ25に設定した記録装置用のプリンタドライバにその機能を持たせても良いことは言うまでもない。   In the above embodiment, the case where the double-sided recording selection switch 56 is provided on the operation panel of the recording apparatus has been described as an example. However, the printer for the recording apparatus set in the host computer 25 that receives a print command to the recording apparatus. It goes without saying that the driver may have this function.

また、本発明は、上記実施形態にて説明したインクジェット記録方式を用いた記録装置に限らず、その他の記録方式を用いた記録装置、例えば、ワイヤドット方式、熱転写方式、レーザービーム記録方式などを用いた記録装置にも適用可能である。   Further, the present invention is not limited to the recording apparatus using the ink jet recording system described in the above embodiment, but includes a recording apparatus using another recording system, for example, a wire dot system, a thermal transfer system, a laser beam recording system, etc. The present invention is also applicable to the recording apparatus used.

本発明の実施形態における記録装置によって実行される記録動作を示すフローチャートである。It is a flowchart which shows the recording operation performed by the recording device in embodiment of this invention. 本発明の実施形態における記録装置の内部構造を示す縦断側面図である。FIG. 2 is a longitudinal side view showing the internal structure of the recording apparatus according to the embodiment of the present invention. 本発明の実施形態における記録装置によって行われる両面記録動作時の記録媒体の動きを示す説明縦断側面図である。FIG. 5 is an explanatory longitudinal sectional side view showing the movement of the recording medium during a double-side recording operation performed by the recording apparatus according to the embodiment of the present invention. 本実施形態における記録装置の制御部の構成を示すブロック図である。It is a block diagram which shows the structure of the control part of the recording device in this embodiment. 本発明の実施形態における操作パネルの構成を示す平面図である。It is a top view which shows the structure of the operation panel in embodiment of this invention. 従来の両面記録が可能な記録装置の一般的な制御シーケンスを示す図である。It is a figure which shows the general control sequence of the recording device in which the conventional double-sided recording is possible.

符号の説明Explanation of symbols

1 記録ヘッド
2 キャリッジ
6 搬送ローラ
8 第1の排紙ローラ
10 第2の排紙ローラ
13 記録媒体支持部材
14 給紙ローラ
15 給紙スタッカ
21 紙端センサー
22 制御部
25 ホストコンピュータ
26 CPU
28 ROM
29 RAM
30 不揮発性メモリー
31 操作パネル
41 反転ガイド部材
42 反転ローラ
43 反転ガイド部材
44 反転ローラ
56 両面記録選択スイッチ
57 復帰/リセットスイッチ
P 記録媒体
DESCRIPTION OF SYMBOLS 1 Recording head 2 Carriage 6 Conveyance roller 8 1st paper discharge roller 10 2nd paper discharge roller 13 Recording medium support member 14 Paper feed roller 15 Paper feed stacker 21 Paper edge sensor 22 Control part 25 Host computer 26 CPU
28 ROM
29 RAM
Reference Signs List 30 Nonvolatile Memory 31 Operation Panel 41 Reverse Guide Member 42 Reverse Roller 43 Reverse Guide Member 44 Reverse Roller 56 Double-sided Recording Selection Switch 57 Return / Reset Switch P Recording Medium

Claims (11)

記録媒体を所定の搬送経路に沿って搬送する記録媒体搬送手段と、
前記搬送経路中の所定の記録位置で前記記録媒体に対して記録を行う記録手段と、
前記記録媒体を前記搬送経路から排出させる排紙手段と、
入力される印刷命令に含まれる記録データに基づき前記各手段を制御することにより、前記記録媒体の第1面および第2面のうち第1面にのみ記録動作を行う片面記録と、前記第1面および第2面への記録を行う両面記録とを印字命令により選択的に実行する制御手段を有する記録装置であって、
前記制御手段は、
前記印刷命令の内容に対応して記録を行うモードであって、片面記録または両面記録を実行し、当該記録の終了した記録媒体を全て前記排紙手段によって排紙して印字命令の印字行程を完了する第1のモードと、
印刷命令の内容に拘わらず記録を行うモードであって、両面記録を実行し、最後の記録媒体への記録が前記第1面への記録で終了したとき前記排紙手段による排紙動作を実行せず、次の印刷命令の入力に備えて前記前記第1面への記録が終了した記録媒体を待機させる第2のモードと、を選択可能であることを特徴とする記録装置。
A recording medium conveying means for conveying the recording medium along a predetermined conveying path;
Recording means for recording on the recording medium at a predetermined recording position in the transport path;
Paper discharge means for discharging the recording medium from the transport path;
One-side recording that performs a recording operation only on the first surface of the first surface and the second surface of the recording medium by controlling each means based on the recording data included in the input print command, and the first A recording apparatus having control means for selectively executing a double-sided recording for recording on the first side and the second side by a print command,
The control means includes
In this mode, recording is performed in accordance with the contents of the print command, and single-sided recording or double-sided recording is executed. A first mode to complete;
In this mode, recording is performed regardless of the contents of the print command, duplex recording is executed, and when the last recording on the recording medium is completed by recording on the first surface, the discharging operation by the discharging means is executed. And a second mode in which the recording medium that has finished recording on the first surface is made to wait in preparation for the input of the next print command.
前記制御手段は、前記印刷命令の内容に拘わらず両面記録を実行すべく、最後の記録媒体への記録が前記第1面への記録で終了したとき前記排紙手段による排紙動作を実行せず、次の印刷命令の入力に備えて第1面への記録を終了した前記記録媒体をそのまま待機させるか、前記排紙動作を実行し印字行程を完了するかを所定の指示手段により選択可能であることを特徴とする請求項1に記載の記録装置。   The control means executes the paper discharge operation by the paper discharge means when the last recording on the first surface is completed to perform the double-sided recording regardless of the contents of the print command. It is possible to select whether to wait for the recording medium that has finished recording on the first side as it is in preparation for the next print command input, or to execute the paper discharge operation and complete the printing process by a predetermined instruction means. The recording apparatus according to claim 1, wherein: 前記印刷命令は、前記片面記録を行うか前記両面記録を行うかを指示する命令と、記録媒体の少なくとも1つの面に記録を行うための記録データと、を少なくとも含むことを特徴とする請求項1または2に記載の記録装置。   The print command includes at least a command for instructing whether to perform the single-sided recording or the double-sided recording, and recording data for recording on at least one surface of a recording medium. The recording apparatus according to 1 or 2. 前記制御手段は、前記指示手段に従って次の印刷命令の入力に備えて第1面への記録が終了した前記記録媒体を待機させたとき、次の印刷命令に含まれる記録データの記録媒体毎の記録内容を180°反転させ、待機している第1面への記録が終了した記録媒体の第2面から記録を開始することを特徴とする請求項1ないし3のいずれかに記載の記録装置。   The control means waits for the recording medium that has been recorded on the first surface in preparation for the input of the next print command in accordance with the instruction means, for each recording medium of the record data included in the next print command. 4. The recording apparatus according to claim 1, wherein the recording contents are reversed by 180 [deg.], And recording is started from the second surface of the recording medium on which recording on the first surface that is waiting is completed. . 前記搬送経路は、前記記録手段によって前記記録媒体の第1面に記録が行われるように記録媒体を前記記録手段へと送る第1の搬送経路と、第1面への記録が終了した前記記録媒体の第2面に前記記録手段によって記録が行われるように第1面への記録が終了した記録媒体の表裏を反転させて前記記録手段へと送る第2の搬送経路とを含むことを特徴とする請求項1ないし4のいずれかに記載の記録装置。   The conveyance path includes a first conveyance path for sending the recording medium to the recording means so that recording is performed on the first surface of the recording medium by the recording means, and the recording after the recording on the first surface is completed. And a second transport path that reverses the front and back of the recording medium that has finished recording on the first surface and sends it to the recording means so that recording is performed on the second surface of the medium by the recording means. A recording apparatus according to any one of claims 1 to 4. 前記第1の経路は、記録媒体を一枚ずつ給送する給紙部から前記記録手段を経て前記排紙手段に至る経路であり、前記第2の経路は、前記排紙手段から記録手段の位置を通過し記録媒体の表裏を反転させる反転経路を経て再び前記記録手段に至る経路であることを特徴とする請求項5に記載の記録装置。   The first path is a path from the paper feeding unit that feeds the recording medium one sheet at a time to the paper discharge means through the recording means, and the second path is from the paper discharge means to the recording means. 6. The recording apparatus according to claim 5, wherein the recording apparatus is a path that reaches the recording unit again through an inversion path that passes through the position and inverts the front and back of the recording medium. 前記制御手段は、前記指示手段によって次の印刷命令の入力に備えて前記記録媒体を待機させるとき、前記第1面への記録が終了した記録媒体の一部を前記排紙手段により保持した状態で停止させることを特徴とする請求項1ないし6のいずれかに記載の記録装置。   When the control unit causes the recording medium to wait for the next print command input by the instruction unit, a part of the recording medium that has been recorded on the first surface is held by the sheet discharge unit. The recording apparatus according to claim 1, wherein the recording apparatus is stopped at a stop. 前記記録媒体に対して記録が実行されている面が、記録媒体の第1面であるか第2面であるかを表す表示手段を設けたことを特徴とする請求項1ないし7のいずれかに記載の記録装置。   8. The display device according to claim 1, further comprising display means for indicating whether a surface on which recording is performed on the recording medium is the first surface or the second surface of the recording medium. The recording device described in 1. 記録媒体を所定の搬送経路に沿って搬送する記録媒体搬送手段と、
前記搬送経路中の所定の記録位置で前記記録媒体に対して記録を行う記録手段と、
前記記録媒体を前記搬送経路から排出させる排紙手段と、
入力される印刷命令に含まれる記録データに基づき前記各手段を制御することにより、前記第1面および第2面への記録を行う両面記録を実行させる両面記録制御手段とを備え、
前記両面記録制御手段は、先の印刷命令に基づく最後の記録媒体への記録が前記第1面への記録で終了したとき、前記排紙手段による排紙動作を実行せず、次の印刷命令の入力に備えて前記前記第1面への記録が終了した記録媒体を待機させ、前記次の印刷命令に基づく記録を前記待機させた記録媒体に対して行うことを特徴とする記録装置。
A recording medium conveying means for conveying the recording medium along a predetermined conveying path;
Recording means for recording on the recording medium at a predetermined recording position in the transport path;
Paper discharge means for discharging the recording medium from the transport path;
Double-sided recording control means for executing double-sided recording for recording on the first side and the second side by controlling the respective units based on recording data included in an input print command;
The double-sided recording control unit does not execute the paper discharge operation by the paper discharge unit when the recording on the last recording medium based on the previous print command is completed with the recording on the first surface, and the next print command A recording apparatus that waits for the recording medium on which recording on the first surface has been completed and performs recording based on the next print command on the waiting recording medium.
記録媒体を所定の搬送経路に沿って搬送する記録媒体搬送手段と、
前記搬送経路中の所定の記録位置で前記記録媒体に対して記録を行う記録手段と、
前記記録媒体を前記搬送経路から排出させる排紙手段と、を有する記録装置に対し、
入力される印刷命令に含まれる記録データに基づき前記各手段を制御することにより、前記記録媒体の第1面および第2面のうち第1面にのみ記録動作を行う片面記録と、前記第1面および第2面への記録を行う両面記録と選択的に実行する制御方法であって、
前記印刷命令の内容に対応して記録を行うモードであって、片面記録または両面記録を実行し、当該記録の終了した記録媒体を全て前記排紙手段によって排紙し印字命令の印字行程を完了する第1のモードを実行する工程と、
印刷命令の内容に拘わらず記録を行うモードであって、両面記録を実行し、最後の記録媒体への記録が前記第1面への記録で終了したとき前記排紙手段による排紙動作を実行せず、次の印刷命令の入力に備えて第1面への記録が終了した前記記録媒体を待機させる第2のモードを実行する工程と、を選択可能に実行することを特徴とする記録装置の制御方法。
A recording medium conveying means for conveying the recording medium along a predetermined conveying path;
Recording means for recording on the recording medium at a predetermined recording position in the transport path;
For a recording apparatus having a paper discharge means for discharging the recording medium from the conveyance path,
One-side recording that performs a recording operation only on the first surface of the first surface and the second surface of the recording medium by controlling each means based on the recording data included in the input print command, and the first A control method selectively executed with double-sided recording for recording on a first side and a second side,
In this mode, recording is performed in accordance with the contents of the print command, and single-sided recording or double-sided recording is executed, and all the recording media on which the recording has been completed are discharged by the paper discharge means to complete the printing command printing process. Performing a first mode to:
In this mode, recording is performed regardless of the contents of the print command, duplex recording is executed, and when the last recording on the recording medium ends with the recording on the first surface, the discharging operation by the discharging means is executed. And a step of executing a second mode of waiting for the recording medium that has finished recording on the first surface in preparation for the input of the next print command. Control method.
記録媒体を所定の搬送経路に沿って搬送する記録媒体搬送手段と、
前記搬送経路中の所定の記録位置で前記記録媒体に対して記録を行う記録手段と、
前記記録媒体を前記搬送経路から排出する排紙手段と、
入力される印刷命令に含まれる記録データに基づき前記各手段を制御することにより、前記第1面および第2面への記録を行う両面記録を実行する両面記録制御手段とを備える記録装置を制御する方法であって、
先の印刷命令に基づく最後の記録媒体への記録が前記第1面への記録で終了したとき、前記排紙手段による排紙動作を実行せず、次の印刷命令の入力に備えて前記前記第1面への記録が終了した記録媒体を待機させ、前記次の印刷命令に基づく記録を前記待機させた記録媒体に対して行うように、前記両面記録制御手段を制御する制御工程を有することを特徴とする記録装置の制御方法。
A recording medium conveying means for conveying the recording medium along a predetermined conveying path;
Recording means for recording on the recording medium at a predetermined recording position in the transport path;
Paper discharge means for discharging the recording medium from the transport path;
By controlling each of the units based on the recording data included in the input print command, a recording apparatus including a double-sided recording control unit that executes double-sided recording that performs recording on the first side and the second side is controlled. A way to
When the recording on the last recording medium based on the previous print command is completed with the recording on the first surface, the paper discharge means does not execute the paper discharge operation, and the above-mentioned print command is input in preparation for the next print command input. A control step of controlling the double-sided recording control means so that the recording medium that has finished recording on the first surface is placed on standby and recording based on the next print command is performed on the standby recording medium; A control method for a recording apparatus.
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